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Siko Wire-actuated encoder : Position sensor for hydraulic cylinders with measuring lengths up to 1000 mm
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The SGH wire-actuated encoder measures the absolute, direct cylinder stroke in the hydraulic cylinder. Cost-intensive drilling of the piston is no longer required thanks to the new measurement system. As a result there are lower integration costs compared with other measurement systems and weakening of the piston is effectively avoided. The highlight: The measurement system can even be used in telescopic cylinders!
In the framework of  SPS IPC Drives 2015, exhibition and online visitors nominated the SGH10 as the winner of the DirectIndustry i-NOVO Award in the TECH category.

  • Measuring range 0 … 1000 mm (39.37 inches)
  • Absolute measuring system
  • CANopen interface, analog: Current and voltage
  • Operating voltage 9 ... 32 VDC
  • Pressure-resistant up to 350 bar, pressure peaks up to 450 bar
  • High degree of flexibility, adjustable to all measuring lengths thanks to teach-in 
  • High electro-magnetic compatibility
  • High shock and vibration resistance
  • With PURE.MOBILE technology

Mechanical data

Feature Technical data Additional information
Flange aluminum

sealing ring (HNBR)
Housing

synthetic

 PA66
Wire design ø0.45 mm steel rope (stainless)
Extension force ≥2 N  
Acceleration ≤10 m/s2  
Weight ~0.15 kg  

Electrical data

Analog interface

Feature Technical data Additional information
Operating voltage 9 … 32 V DC with output 0 ... 5 V, 0.5 ... 4.5 V, 0.25 ... 4.75 V, 1.0 ... 4.9 V, reverse polarity protected
  12 … 32 V DC with output 0 … 10 V, reverse polarity protected
  12 … 32 V DC

with output 0 ... 20 mA, 4 ... 20 mA, reverse polarity protected
Current consumption <32 mA without load
Power input <0.5 W

without load
Parameter storage 105 cycles also applies to calibration operations
Digital inputs 2 limit inputs
Input signal level high >8.4 V  
Input signal level low <2.8 V  
Output voltage 0 … 10 V load current <10 mA
  0 … 5 V load current <10 mA
  0.5 … 4.5 V load current <10 mA
  0.25 … 4.75 V load current <10 mA
  1 … 4.9 V load current <10 mA
Output current 0 … 20 mA load ≤500 Ω
  4 … 20 mA

load ≤500 Ω
Linearity tolerance ±0.25 % 1000 mm measurement length
  ±0.5 % 500 mm measurement length
Settling time <150 ms  
Type of connection plug connection system KV1H accessory

CANopen interface

Feature Technical data Additional information
Operating voltage 10 … 30 V DC reverse polarity protected
Power input <0.8 W  
Parameter storage 105 cycles also applies to calibration operations
Linearity tolerance ±0.25 % 1000 mm measurement length
  ±0.5 % 500 mm measurement length
Interface

according to ISO 11898-1/2, not galvanically isolated

 CANopen, CiA 301, CiA 305, CiA 406
Address 1 ... 127 Node ID, via SDO or Layer Setting Service (LSS)
Baud rate ≤1 Mbit/s  
Cycle time typical 1.5 ms  
Settling time <150 ms  
Type of connection plug connection system KV1H accessory

System data

Feature Technical data Additional information
Scanning

magnetic

  
Resolution 12 bit

analog output
Repeat accuracy ±0.15 mm  
Measuring range 500 mm measuring range flexibly usable between 0...500 mm
  1000 mm measuring range flexibly usable between 0...1000 mm
Travel speed ≤1 m/s  
Failure rate 235.6 year(s)

analog output, at 60° C (MTBF)
according to SN29500
  253.3 year(s)

CANopen, at 60° C (MTBF)
according to SN29500
Approval E1 compliant UN ECE R10
Approval number: E1*10R05/01*8507*00

Ambient conditions

Feature Technical data Additional information
Ambient temperature -40 … 105 °C

electronics
  -30 … 100 °C Mechanics, optionally to 105° C
Storage temperature -40 … 85 °C  
Relative humidity 100 % condensation admissible in the mounted and plugged condition
Operating pressure <350 bar Pn based on ISO19879
Overload pressure <450 bar Pmax based on ISO 19879
Test pressure 650 bar Pstatic based on ISO 19879
EMC EN 61326-3.1

immunity requirement of industry, class B emission limit
  ISO 11452-1, -2, -3, -4, -5 Interference radiation ESA
  ISO 7637-1, -2 Transient pulses
  ISO 10605 Electrostatic discharge (ESD)
Protection category IP6K9K

ISO 20653, fitted with KV1H and suitable mating connector
Shock resistance 1000 m/s2, 11 ms

EN 60068-2-27
Vibration resistance 70 m/s2, 10 Hz … 2 kHz

EN 60068-2-64

Ordering table

Feature Order data Specifications Additional information
Measuring range

A...

 500, 1000 in mm  
 
Interface

B0/5V

 0 … 5 V voltage output

0/10V

 0 … 10 V voltage output

0.25/4.75V

 0.25 … 4.75 V voltage output

0.5/4.5V

 0.5 … 4.5 V voltage output

1.0/4.9V

 1.0 … 4.9 V voltage output

0/20mA

 0 … 20 mA current output

4/20mA

 4 … 20 mA current output

CAN

 CANOpen  
 

Ordering key

SGH10-A-GW6-B-M1-DS-SW